org.eclipse.swt.snippets.Snippet303.java Source code

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Here is the source code for org.eclipse.swt.snippets.Snippet303.java

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/*******************************************************************************
 * Copyright (c) 2000, 2017 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.snippets;

/*
 * Browser example snippet: listen for DOM mousedown events with javascript
 * (Eclipse/SWT 3.4 and earlier).  For an improved implementation of this
 * snippet that can be used with Eclipse/SWT 3.5 and newer see
 * http://git.eclipse.org/c/platform/eclipse.platform.swt.git/tree/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet362.java .
 *
 * This snippet works for all supported browser types (ie.- Browsers created with style
 * SWT.NONE).  For a Browser created with style SWT.MOZILLA an alternate approach would
 * be to use JavaXPCOM to hook the DOM listeners.
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.browser.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

public class Snippet303 {

    public static void main(String[] args) {
        final String SCRIPT = "document.onmousedown = function(e) {if (!e) {e = window.event;} if (e) {window.status = 'MOUSEDOWN: ' + e.clientX + ',' + e.clientY;}}";
        Display display = new Display();
        final Shell shell = new Shell(display);
        shell.setText("Snippet 303");
        shell.setLayout(new FillLayout());
        final Browser browser;
        try {
            browser = new Browser(shell, SWT.NONE);
        } catch (SWTError e) {
            System.out.println("Could not instantiate Browser: " + e.getMessage());
            display.dispose();
            return;
        }
        browser.addProgressListener(ProgressListener.completedAdapter(event -> browser.execute(SCRIPT)));
        browser.addStatusTextListener(event -> {
            if (event.text.startsWith("MOUSEDOWN: ")) {
                System.out.println(event.text);
                browser.execute("window.status = '';");
            }
        });
        browser.setUrl("eclipse.org");
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }
}